/Engine/Source/Runtime/Engine/Classes/Kismet/KismetInternationalizationLibrary.h
Set the given asset group category culture from an IETF language tag (eg, "zh-Hans-CN").
True if the culture was set, false otherwise.
static bool SetCurrentAssetGroupCulture ( const [FName](API\Runtime\Core\UObject\FName) AssetGroup, const [FString](API\Runtime\Core\Containers\FString) & Culture, const bool SaveToConfig )